[chromedriver]Add a filter to run a subset of tests.

chrome/test/chromedriver/run_all_tests.py

Index: chrome/test/chromedriver/run_all_tests.py
diff --git a/chrome/test/chromedriver/run_all_tests.py b/chrome/test/chromedriver/run_all_tests.py
index a6ca0d1d72e26bdd294bcd1704ae0695fbb23dfd..f0f7fc77c974c5f0a83a7583e23fd71c232db572 100755
--- a/chrome/test/chromedriver/run_all_tests.py
+++ b/chrome/test/chromedriver/run_all_tests.py
@@ -75,11 +75,11 @@ def Main():
   cmd = [
     sys.executable,
     os.path.join(_THIS_DIR, 'test.py'),
-    os.path.join(build_dir, chromedriver),
+    '--chromedriver_path=' + os.path.join(build_dir, chromedriver),
   ]
   # Set the built chrome binary.
   if chrome_binary is not None:
-    cmd.append(chrome_binary)
+    cmd.append('--chrome_path=' + chrome_binary)
   if util.IsMac():
     # In Mac, chromedriver2.so is a 32-bit build, so run with the 32-bit python.
     os.environ['VERSIONER_PYTHON_PREFER_32_BIT'] = 'yes'